Air heat exchanger boilers do an excellent job of heating and cooling your home. They have the added benefit of being very energy efficient. Air heat exchanger boilers work because they use a natural source of power – air – to heat or cool your home.
Air heat exchanger boilers work by using the air around the boiler to heat water. The boiler absorbs heat from the air and uses it to heat water in a tank. This process is known as convection.
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Convection is the process of heat transfer by which warmer air rises and cooler air sinks. In order for convection to occur, there must be a difference in temperature between the two areas. The greater the difference in temperature, the faster the convection will occur.
Air heat exchanger boilers use this principle to transfer heat from the air to the water. The boiler has a fan that draws in outside air and forces it over a series of coils. These coils are filled with water from the tank. As the air passes over the coils, it heats up the water inside them.
The hot water then rises to the top of the tank where it can be used for domestic hot water or heating purposes. The cooled air is then expelled back into the atmosphere through a chimney or vent stack.